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free vibration frequency
相关语句
  自振频率
     Analysis on Free Vibration Frequency of Concrete Curved Beams Bridges
     混凝土曲线梁桥的自振频率分析
短句来源
     The paper calculates natural frequency of the structure with different initial stress state and then analyzes the influence of residual stress to free vibration frequency. Through further analysis of natural frequency,the residual stress can approximately obtained.
     通过计算不同初应力下结构的固有频率,分析残余应力对自振频率的影响,以便通过分析固有频率来估算残余应力。
短句来源
     The finite element emulation analysis of train model and traveling load model indicates that, the dynamic response of track beam reaches maximum when the primary free vibration frequency of track beam f approaches the speed to track beam span ratio v/L.
     磁浮列车整车模型和移动荷载模型过桥的有限元仿真分析证实在轨道梁第一阶自振频率 f接近磁浮列车速度与轨道梁跨长之比接近v/L时 ,轨道梁动力响应最大。
短句来源
     In order to increase the free vibration frequency of gate, it is necessary to optimize the design of the structure of gate.
     低阶振动模态中除门叶竖直方向的整体振动模态外 ,其余各阶均显示为门叶的弹性变形振动。 为提高闸门自振频率 ,需对其结构进行优化设计
短句来源
     Therefore, the differential equations'coefficient matrix of the free vibration of the spatial rigid body is automatically formed, and free vibration frequency and its type can also be found out.
     最后自动组成空间刚体自由振动微分方程的系数阵,并计算出刚体的自振频率和振型。
短句来源
更多       
  固有频率
     The dispersion equation of structure-acoustic coupling system was derived. The free vibration frequency of cylindrical shells was gotten by the numeric method.
     对弹性介质中有限长圆柱壳的非轴对称自由振动特性进行了研究 ,导出了弹性介质 圆柱壳耦合的频散特征方程 ,利用数值方法得到了圆柱壳的固有频率结果 .
短句来源
     The paper calculates natural frequency of the structure with different initial stress state and then analyzes the influence of residual stress to free vibration frequency. Through further analysis of natural frequency,the residual stress can approximately obtained.
     通过计算不同初应力下结构的固有频率,分析残余应力对自振频率的影响,以便通过分析固有频率来估算残余应力。
短句来源
     This paper introduces the dynamic test method about the free vibration frequency and forced vibration swing and the test on the 6120 diesel. Through the analysis between the crankshaft longitudinal vibration data and the test rig longitudinal vibration data,the vibration free frequency and swing can be get.
     介绍了曲轴轴向振动固有频率和强迫振动振幅的动态测试方法 ,对 6 12 0柴油机曲轴的轴向振动信号和发动机机体测试支架的纵向振动信号进行了分析和比较 ,从中得到曲轴轴向振动的固有频率和强迫振动振幅
短句来源
     Therefore, it is recommended that, in order to maintain its amplitude practically constant, the working frequency ω of the frame be kept smaller than the free vibration frequency ω2. Design calculation for parameters of probability classification screen is also given.
     因此,建议采用工作频率ω<固有频率ω_2以保持筛箱振幅基本不变。 文中还提出了概率分级筛参数的设计计算。
短句来源
     It is found that the free vibration frequency of the pipe does not appear under all the axial or circular vibration modes, i.e., there is some cut-off mode, and the frequency can be significantly affected by the shear modulus of soil, as well as by the parameters of the pipe.
     数值计算结果表明埋地管道的固有频率,并不是在任何轴向和周向模态下都会出现,而是存在截止模态,土壤的剪切模量和管道参数对埋地管道的固有频率影响显著.
短句来源
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  自由振动频率
     An experiment was done for the free vibration frequency of a singlespan and simple supported liquid pipe,resulting in the relationship bet-ween the free vibration frequency and the flow velocity.
     实验对单跨简支输液管道的自由振动频率进行了测试,得到了自由振动频率随流速变化的关系。
短句来源
     In this article,a calculation method is put forward for free vibration frequency of a pipe which contains flow fluid.
     本文提出了对包含有流动流体的管道自由振动频率的一个计算方法。
短句来源
     The calculating model of the pipeline vibation was established,thd free vibration frequency and the vibration model were calculated,and the free vibration frequency and the vibration model under the existing constrained conditions were calculated according to the measurements in site.
     在现场实际测量的基础上建立了管线振动计算模型,计算了管线自由振动频率和振型以及现有约束条件下的自由振动频率和振型。
短句来源
     2) The moving equation of the structural model, which was simplified from the balanced cantilever structure of the CRFB with the HFTP, was deduced by using the Lagrange Equation. Accordingly, the free vibration frequency could be obtained. This method was employed to obtain the dynamic characteristic of the XiaoGuan Bridge.
     2) 以双肢薄壁高墩连续刚构桥平衡悬臂施工的简化计算模型出发,运用拉格朗日方程推导了其运动方程并获得了其自由振动频率,对特征方程的处理使得该方法可用于单横联双肢薄壁墩刚构桥、单薄壁墩刚构桥,具有较好的工程适用性。
短句来源
     4. Conduct kinematics and dynamic analysis and study on the chain transmission of follower system, establish vibration model of the chain pitches and the gripper bars, and also find out the free vibration frequency and point out factors influencing the precision of location of the chain transmission system.
     4) 对输纸系统中的链传动机构进行了运动学和动力学分析研究,建立了牙排、链节的振动模型,并求出自由振动频率。 指出影响链传动系统定位精度的因素。
短句来源
更多       
  “free vibration frequency”译为未确定词的双语例句
     Free Vibration Frequency of Plate Solved by Artifical Neural Network
     采用人工神经网络求解薄板的自由振动问题
短句来源
     In this paper, the flexural stability and vibration analysis of rectangular plates using perturbation method are described, and the apparent expressions of free vibration frequency and buckling load parameters for thickness functions are derived.
     本文利用奇异摄动方法,给出了任意变厚度薄板的自由振频率和纵向压缩失稳临界力的计算方法,并由此给出了相应特征值项关于薄板板厚函数的显式表达式。
短句来源
     Also, the free vibration frequency equation is therefore obtained.
     由此还可求得折板自由振动的频率方程。
短句来源
     In this paper,the nonlinear mapping of Artifical Neural Network(ANN)was adopted to solve the free vibration frequency of plate. Standard BP algorithm and various measures of improving BP algorithm were analyzed,and at last,methods of momentum and adaptive learning rate were adopted. Caculating results of different methods have good agreement,it implied that it's feasible to adopt ANN to solve the free vibration frequency of plate and the calculating results solved by ANN is satisfied.
     本文提出利用神经网络的非线性表示能力求解薄板的自由振动问题,分析了标准的BP算法及多种改进措施,采用动量法和自适应调整学习率的BP算法求解,比较几种计算方法的计算结果,表明采用人工神经网络计算薄板自由振动问题方法可行,结果令人满意
短句来源
     The paper establishes the free vibration mode of the rigid structure suspension of OCS by means of limit element simulation analyzing methods and gives the free vibration frequency in every step on basis of technical parameters of rigid structure suspension of OCS in No. 1 Line of Nanjing Metro and obtains some vibration characteristics of rigid structure suspension of OCS from the simulation calculation.
     以南京地铁一号线刚性悬挂参数为依据,利用有限元模态分析法建立了接触网刚性悬挂自由振动的振型,列举出自由振动的各阶频率,并从模拟计算结果中分析了刚性悬挂的一些振动特性。
短句来源
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  free vibration frequency
Power spectral density analyses showed free vibration frequency responses for both the railing (15Hz) and steps (38.6Hz) that were relatively distinct from lower applied forces recorded during stair ascent.
      
The excitation frequency is slightly lower than the free vibration frequency, suggesting that lubricant damping plays a role in the excitation of the slider.
      
However, a higher free vibration frequency depends in this contribution on the length-scale and cannot be derived using the homogenized plate model.
      
In this paper, we obtain the analytic solution of free vibration frequency and mode shapes of rectangle, circle and elliptic membranes.
      
It is shown that the dynamics of variation of the free vibration frequency of the samples is tightly related to the kinetics of fatigue damage.
      


In this paper we obtain the analytic solution of free vibration frequency and mode shapes of rectangle, circle and elliptic membranes. The approximate solution of membrane with arbitrary boundary is also obtained. All of these membranes are acted on by unequal tension in two directions.

本文中求解了双向受力不等的矩形、圆形、椭圆形平面薄膜的自振频率与振型,还给出了任意外形边界的平面薄膜的近似解.矩形薄膜,先经过坐标变换将方程变换成常见的薄膜振动方程,因此很容易求得解.圆形薄膜.先将坐标作与上述同样的变换,再把它变换成椭圆坐标,将方程化为马丢(Mathieu)方程,这样利用马丢函数的性质,不难求得其解.椭圆形薄膜解法与圆形薄膜相似.文末还给出了例题.

This paper deals with an analytical study of the vibration system of a mass probability classification screen. On the basis of theory and analysis of data obtained in practice, it is found that the shearing rubber spring used between the two masses, that is, between the balance weight and the vibrating frame, is heated in the course of operation and that the rigidity coefficient of the rubber increases with the rise in temperature. Therefore, it is recommended that, in order to maintain its amplitude practically...

This paper deals with an analytical study of the vibration system of a mass probability classification screen. On the basis of theory and analysis of data obtained in practice, it is found that the shearing rubber spring used between the two masses, that is, between the balance weight and the vibrating frame, is heated in the course of operation and that the rigidity coefficient of the rubber increases with the rise in temperature. Therefore, it is recommended that, in order to maintain its amplitude practically constant, the working frequency ω of the frame be kept smaller than the free vibration frequency ω2. Design calculation for parameters of probability classification screen is also given.

本文对概率分级筛的双质量振动系统进行了分析研究,推导出系统的固有频率和共振转速。作者根据理论和实际资料分析说明:平衡块和筛体两个质量之间所采用的剪切型橡胶弹簧在运转过程中产生热量,橡胶的刚度系数随橡胶温度升高而提高。因此,建议采用工作频率ω<固有频率ω_2以保持筛箱振幅基本不变。文中还提出了概率分级筛参数的设计计算。

This paper shows the formulas and steps for the calculating of inertia tensor of a spatial rigid body assembly, and it also presents the matrix expression between the restoring force of the spring and the displacement of the rigid body. Therefore, the differential equations'coefficient matrix of the free vibration of the spatial rigid body is automatically formed, and free vibration frequency and its type can also be found out. All the given formulas are expressed in matrixes, which has the advantage...

This paper shows the formulas and steps for the calculating of inertia tensor of a spatial rigid body assembly, and it also presents the matrix expression between the restoring force of the spring and the displacement of the rigid body. Therefore, the differential equations'coefficient matrix of the free vibration of the spatial rigid body is automatically formed, and free vibration frequency and its type can also be found out. All the given formulas are expressed in matrixes, which has the advantage of simplifying the programming.

本文给出了空间组合刚体的惯量张量数值计算公式和计算步骤,同时给出弹簧恢复力与刚体位移之间的矩阵表达式。最后自动组成空间刚体自由振动微分方程的系数阵,并计算出刚体的自振频率和振型。所有给出的公式都用矩阵表达,它具有编制程序简单的优点。

 
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